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set thread name in only one file

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This commit is contained in:
Benjamin Sergeant
2020-07-17 11:43:50 -07:00
parent 595e6c57df
commit f7031d0d3e
6 changed files with 82 additions and 113 deletions
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81
ixwebsocket/IXSetThreadName.cpp Normal file
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/*
* IXSetThreadName.cpp
* Author: Benjamin Sergeant
* Copyright (c) 2018 2020 Machine Zone, Inc. All rights reserved.
*/
#include "IXSetThreadName.h"
// unix systems
#if defined(__APPLE__) || defined(__linux__) || defined(BSD)
# include <pthread.h>
#endif
// freebsd needs this header as well
#if defined(BSD)
# include <pthread_np.h>
#endif
// Windows
#ifdef _WIN32
# include <Windows.h>
#endif
namespace ix
{
#ifdef _WIN32
const DWORD MS_VC_EXCEPTION = 0x406D1388;
#pragma pack(push, 8)
typedef struct tagTHREADNAME_INFO
{
DWORD dwType; // Must be 0x1000.
LPCSTR szName; // Pointer to name (in user addr space).
DWORD dwThreadID; // Thread ID (-1=caller thread).
DWORD dwFlags; // Reserved for future use, must be zero.
} THREADNAME_INFO;
#pragma pack(pop)
void SetThreadName(DWORD dwThreadID, const char* threadName)
{
THREADNAME_INFO info;
info.dwType = 0x1000;
info.szName = threadName;
info.dwThreadID = dwThreadID;
info.dwFlags = 0;
__try
{
RaiseException(
MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR*) &info);
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
}
}
#endif
void setThreadName(const std::string& name)
{
#if defined(__APPLE__)
//
// Apple reserves 16 bytes for its thread names
// Notice that the Apple version of pthread_setname_np
// does not take a pthread_t argument
//
pthread_setname_np(name.substr(0, 63).c_str());
#elif defined(__linux__)
//
// Linux only reserves 16 bytes for its thread names
// See prctl and PR_SET_NAME property in
// http://man7.org/linux/man-pages/man2/prctl.2.html
//
pthread_setname_np(pthread_self(), name.substr(0, 15).c_str());
#elif defined(_WIN32)
SetThreadName(-1, name.c_str());
#elif defined(BSD)
pthread_set_name_np(pthread_self(), name.substr(0, 15).c_str());
#else
// ... assert here ?
#endif
}
} // namespace ix

20
ixwebsocket/apple/IXSetThreadName_apple.cpp
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/*
* IXSetThreadName_apple.cpp
* Author: Benjamin Sergeant
* Copyright (c) 2018 Machine Zone, Inc. All rights reserved.
*/
#include "../IXSetThreadName.h"
#include <pthread.h>
namespace ix
{
void setThreadName(const std::string& name)
{
//
// Apple reserves 16 bytes for its thread names
// Notice that the Apple version of pthread_setname_np
// does not take a pthread_t argument
//
pthread_setname_np(name.substr(0, 63).c_str());
}
} // namespace ix

16
ixwebsocket/freebsd/IXSetThreadName_freebsd.cpp
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/*
* IXSetThreadName_freebsd.cpp
* Author: Benjamin Sergeant
* Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
*/
#include "../IXSetThreadName.h"
#include <pthread.h>
#include <pthread_np.h>
namespace ix
{
void setThreadName(const std::string& name)
{
pthread_set_name_np(pthread_self(), name.substr(0, 15).c_str());
}
} // namespace ix

20
ixwebsocket/linux/IXSetThreadName_linux.cpp
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/*
* IXSetThreadName_linux.cpp
* Author: Benjamin Sergeant
* Copyright (c) 2018 Machine Zone, Inc. All rights reserved.
*/
#include "../IXSetThreadName.h"
#include <pthread.h>
namespace ix
{
void setThreadName(const std::string& name)
{
//
// Linux only reserves 16 bytes for its thread names
// See prctl and PR_SET_NAME property in
// http://man7.org/linux/man-pages/man2/prctl.2.html
//
pthread_setname_np(pthread_self(), name.substr(0, 15).c_str());
}
} // namespace ix

46
ixwebsocket/windows/IXSetThreadName_windows.cpp
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/*
* IXSetThreadName_windows.cpp
* Author: Benjamin Sergeant
* Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
*/
#include "../IXSetThreadName.h"
#include <Windows.h>
namespace ix
{
const DWORD MS_VC_EXCEPTION = 0x406D1388;
#pragma pack(push, 8)
typedef struct tagTHREADNAME_INFO
{
DWORD dwType; // Must be 0x1000.
LPCSTR szName; // Pointer to name (in user addr space).
DWORD dwThreadID; // Thread ID (-1=caller thread).
DWORD dwFlags; // Reserved for future use, must be zero.
} THREADNAME_INFO;
#pragma pack(pop)
void SetThreadName(DWORD dwThreadID, const char* threadName)
{
THREADNAME_INFO info;
info.dwType = 0x1000;
info.szName = threadName;
info.dwThreadID = dwThreadID;
info.dwFlags = 0;
__try
{
RaiseException(
MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR*) &info);
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
}
}
void setThreadName(const std::string& name)
{
SetThreadName(-1, name.c_str());
}
} // namespace ix